C.1 Format of a flow identifier

29.5143GPP5G SystemPolicy Authorization ServiceRelease 18Stage 3TS

C.1.1 General

A flow identifier is expressed as a 2-tuple as follows:

<The ordinal number of the position of the media component description in the SDI. The ordinal number of the IP flow(s) within the media component description assigned in the order of increasing downlink port numbers as detailed below.>

where both are numbered starting from 1. The encoding of the flow identifier is as indicated in 3GPP TS 24.008 [36].

The rules for the allocation of flow identifiers to IP flows are defined in 3GPP TS 29.214 [20], Annex B.1.1. Derivation of flow identifiers from SDP are described in 3GPP TS 29.214 [20], Annex B.1.2, and examples are covered in 3GPP TS 29.214 [20], Annex B2, B3, B4 and B5.

Annex D (normative):
Wireless and wireline convergence access support